package com.practice.question1;

import java.util.ArrayList;
import java.util.List;

/**
 * @author 曾庆红
 * {@code @date} 2023-10-18 08:11
 */

public class Container {
    List<Object> list = new ArrayList<>();
    public void add(Object o){
        list.add(o);
    }
    public int size(){
        return list.size();
    }
}
